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| Research about alleviating heat stress on eggplant seedlings by applying DA-6 |
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| Abstract: |
| In this experiment, we sprayed DA-6 with different concentrations （10、20、30、40、50mg/L）on the eggplant seedings ,then we put the seedings under high temperature (40℃/32℃,day /night)，we studied the effects of heat stress on the electrolyte permeability, root activity,MDA, proline, chlorophyll content, superoxide anion, soluble protein and the activity of protective enzyme of eggplant seedlings. The results showed that: the physiological parameters of the eggplant seedlings in different DA-6 treatments showed significant difference contrasting to that of CK, especially when the eggplant seedlings were spraied DA-6 with 20 mg/L, the chlorophyll content, root activity, electrolyte leakage,SOD, proline content and MDA content of the seedlings were suprior to that of other treatments with significant differences. In conclusion,Spraying DA-6 could alleviate the heat stress on eggplant Seedlings, and the suitable concentration of DA-6 was 20 mg/L. |
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